FR2276745A2 - Systeme pour la conversion numerique de signaux de canaux en bande de base en un signal multiplex a repartition en frequence et inversement - Google Patents

Systeme pour la conversion numerique de signaux de canaux en bande de base en un signal multiplex a repartition en frequence et inversement

Info

Publication number
FR2276745A2
FR2276745A2 FR7422641A FR7422641A FR2276745A2 FR 2276745 A2 FR2276745 A2 FR 2276745A2 FR 7422641 A FR7422641 A FR 7422641A FR 7422641 A FR7422641 A FR 7422641A FR 2276745 A2 FR2276745 A2 FR 2276745A2
Authority
FR
France
Prior art keywords
signals
digital
frequency
coefficients
inputs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7422641A
Other languages
English (en)
Other versions
FR2276745B2 (fr
Inventor
Maurice Bellanger
Jacques Lucien Daguet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR7221646A external-priority patent/FR2188920A5/fr
Application filed by Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Priority to FR7422641A priority Critical patent/FR2276745A2/fr
Priority to GB26317/75A priority patent/GB1517172A/en
Priority to US05/588,854 priority patent/US4312062A/en
Priority to SE7507273A priority patent/SE424797B/xx
Priority to JP50079478A priority patent/JPS5119433A/ja
Priority to DE2528946A priority patent/DE2528946C3/de
Publication of FR2276745A2 publication Critical patent/FR2276745A2/fr
Application granted granted Critical
Publication of FR2276745B2 publication Critical patent/FR2276745B2/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J4/00—Combined time-division and frequency-division multiplex systems
    • H04J4/005—Transmultiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/05—Frequency-transposition arrangements using digital techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Complex Calculations (AREA)
FR7422641A 1972-06-15 1974-06-28 Systeme pour la conversion numerique de signaux de canaux en bande de base en un signal multiplex a repartition en frequence et inversement Granted FR2276745A2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7422641A FR2276745A2 (fr) 1972-06-15 1974-06-28 Systeme pour la conversion numerique de signaux de canaux en bande de base en un signal multiplex a repartition en frequence et inversement
GB26317/75A GB1517172A (en) 1974-06-28 1975-06-20 Telecommunication system
US05/588,854 US4312062A (en) 1974-06-28 1975-06-20 System for digitally converting baseband channel signals into a frequency-division multiplex signal and vice versa
SE7507273A SE424797B (sv) 1974-06-28 1975-06-25 Kopplingsanordning for digital behandling av ett givet antal kanalsignaler
JP50079478A JPS5119433A (en) 1974-06-28 1975-06-27 Tansokuhataihoshiki
DE2528946A DE2528946C3 (de) 1974-06-28 1975-06-28 Anordnung zur digitalen Umwandlung von Basisbandkanalsignalen in ein Frequenzmultiplexsignal und umgekehrt

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7221646A FR2188920A5 (fr) 1972-06-15 1972-06-15
FR7422641A FR2276745A2 (fr) 1972-06-15 1974-06-28 Systeme pour la conversion numerique de signaux de canaux en bande de base en un signal multiplex a repartition en frequence et inversement

Publications (2)

Publication Number Publication Date
FR2276745A2 true FR2276745A2 (fr) 1976-01-23
FR2276745B2 FR2276745B2 (fr) 1978-01-13

Family

ID=26217165

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7422641A Granted FR2276745A2 (fr) 1972-06-15 1974-06-28 Systeme pour la conversion numerique de signaux de canaux en bande de base en un signal multiplex a repartition en frequence et inversement

Country Status (1)

Country Link
FR (1) FR2276745A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2408253A1 (fr) * 1977-11-07 1979-06-01 Communications Satellite Corp Transmultiplexeur notamment pour communications par satellite
EP0280161A2 (fr) * 1987-02-17 1988-08-31 Nec Corporation Dispositif de démultiplexage FDM utilisant des filtres numériques suréchantillonnés

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2408253A1 (fr) * 1977-11-07 1979-06-01 Communications Satellite Corp Transmultiplexeur notamment pour communications par satellite
EP0280161A2 (fr) * 1987-02-17 1988-08-31 Nec Corporation Dispositif de démultiplexage FDM utilisant des filtres numériques suréchantillonnés
EP0280161A3 (en) * 1987-02-17 1990-12-12 Nec Corporation Fdm demultiplexer using oversampled digital filters

Also Published As

Publication number Publication date
FR2276745B2 (fr) 1978-01-13

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